--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/data/dtdbuilder/HTMLspecial.sgml	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,77 @@
+<!-- Special characters for HTML -->
+
+<!-- Character entity set. Typical invocation:
+     <!ENTITY % HTMLspecial PUBLIC
+       "-//W3C//ENTITIES Special//EN//HTML">
+     %HTMLspecial; -->
+
+<!-- Portions ¿ International Organization for Standardization 1986:
+     Permission to copy in any form is granted for use with
+     conforming SGML systems and applications as defined in
+     ISO 8879, provided this notice is included in all copies.
+-->
+
+<!-- Relevant ISO entity set is given unless names are newly introduced.
+     New names (i.e., not in ISO 8879 list) do not clash with any
+     existing ISO 8879 entity names. ISO 10646 character numbers
+     are given for each character, in hex. CDATA values are decimal
+     conversions of the ISO 10646 values and refer to the document
+     character set. Names are ISO 10646 names. 
+
+-->
+
+<!-- C0 Controls and Basic Latin -->
+<!ENTITY quot    CDATA "&#34;"   -- quotation mark = APL quote,
+                                    U+0022 ISOnum -->
+<!ENTITY amp     CDATA "&#38;"   -- ampersand, U+0026 ISOnum -->
+<!ENTITY lt      CDATA "&#60;"   -- less-than sign, U+003C ISOnum -->
+<!ENTITY gt      CDATA "&#62;"   -- greater-than sign, U+003E ISOnum -->
+
+<!-- Latin Extended-A -->
+<!ENTITY OElig   CDATA "&#338;"  -- latin capital ligature OE,
+                                    U+0152 ISOlat2 -->
+<!ENTITY oelig   CDATA "&#339;"  -- latin small ligature oe, U+0153 ISOlat2 -->
+<!-- ligature is a misnomer, this is a separate character in some languages -->
+<!ENTITY Scaron  CDATA "&#352;"  -- latin capital letter S with caron,
+                                    U+0160 ISOlat2 -->
+<!ENTITY scaron  CDATA "&#353;"  -- latin small letter s with caron,
+                                    U+0161 ISOlat2 -->
+<!ENTITY Yuml    CDATA "&#376;"  -- latin capital letter Y with diaeresis,
+                                    U+0178 ISOlat2 -->
+
+<!-- Spacing Modifier Letters -->
+<!ENTITY circ    CDATA "&#710;"  -- modifier letter circumflex accent,
+                                    U+02C6 ISOpub -->
+<!ENTITY tilde   CDATA "&#732;"  -- small tilde, U+02DC ISOdia -->
+
+<!-- General Punctuation -->
+<!ENTITY ensp    CDATA "&#8194;" -- en space, U+2002 ISOpub -->
+<!ENTITY emsp    CDATA "&#8195;" -- em space, U+2003 ISOpub -->
+<!ENTITY thinsp  CDATA "&#8201;" -- thin space, U+2009 ISOpub -->
+<!ENTITY zwnj    CDATA "&#8204;" -- zero width non-joiner,
+                                    U+200C NEW RFC 2070 -->
+<!ENTITY zwj     CDATA "&#8205;" -- zero width joiner, U+200D NEW RFC 2070 -->
+<!ENTITY lrm     CDATA "&#8206;" -- left-to-right mark, U+200E NEW RFC 2070 -->
+<!ENTITY rlm     CDATA "&#8207;" -- right-to-left mark, U+200F NEW RFC 2070 -->
+<!ENTITY ndash   CDATA "&#8211;" -- en dash, U+2013 ISOpub -->
+<!ENTITY mdash   CDATA "&#8212;" -- em dash, U+2014 ISOpub -->
+<!ENTITY lsquo   CDATA "&#8216;" -- left single quotation mark,
+                                    U+2018 ISOnum -->
+<!ENTITY rsquo   CDATA "&#8217;" -- right single quotation mark,
+                                    U+2019 ISOnum -->
+<!ENTITY sbquo   CDATA "&#8218;" -- single low-9 quotation mark, U+201A NEW -->
+<!ENTITY ldquo   CDATA "&#8220;" -- left double quotation mark,
+                                    U+201C ISOnum -->
+<!ENTITY rdquo   CDATA "&#8221;" -- right double quotation mark,
+                                    U+201D ISOnum -->
+<!ENTITY bdquo   CDATA "&#8222;" -- double low-9 quotation mark, U+201E NEW -->
+<!ENTITY dagger  CDATA "&#8224;" -- dagger, U+2020 ISOpub -->
+<!ENTITY Dagger  CDATA "&#8225;" -- double dagger, U+2021 ISOpub -->
+<!ENTITY permil  CDATA "&#8240;" -- per mille sign, U+2030 ISOtech -->
+<!ENTITY lsaquo  CDATA "&#8249;" -- single left-pointing angle quotation mark,
+                                    U+2039 ISO proposed -->
+<!-- lsaquo is proposed but not yet ISO standardized -->
+<!ENTITY rsaquo  CDATA "&#8250;" -- single right-pointing angle quotation mark,
+                                    U+203A ISO proposed -->
+<!-- rsaquo is proposed but not yet ISO standardized -->
+<!ENTITY euro   CDATA "&#8364;"  -- euro sign, U+20AC NEW -->